[info] Using makefile-style concurrent boot in runlevel 2. [ 24.268817] audit: type=1800 audit(1538163078.782:21): pid=5176 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="bootlogs" dev="sda1" ino=2419 res=0 [ 24.296279] audit: type=1800 audit(1538163078.782:22): pid=5176 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="motd" dev="sda1" ino=2447 res=0 [....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.109' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 36.222607] kasan: CONFIG_KASAN_INLINE enabled [ 36.227357] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 36.234720] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 36.240934] CPU: 0 PID: 5331 Comm: syz-executor334 Not tainted 4.19.0-rc5+ #258 [ 36.248357] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 36.257703] RIP: 0010:rb_erase+0x306/0x3710 [ 36.262006] Code: c7 81 28 01 00 00 f2 f2 f2 f2 c7 81 2c 01 00 00 00 f2 f2 f2 48 89 f9 65 48 8b 1c 25 28 00 00 00 48 89 5d d0 31 db 48 c1 e9 03 <42> 80 3c 01 00 0f 85 41 1c 00 00 4c 8d 48 10 4c 8b 78 08 48 b9 00 [ 36.280889] RSP: 0018:ffff8801bb086918 EFLAGS: 00010202 [ 36.286230] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001 [ 36.293478] RDX: 1ffff10037610d2b RSI: ffffffff8b5a08a0 RDI: 0000000000000008 [ 36.300730] RBP: ffff8801bb087320 R08: dffffc0000000000 R09: fffffbfff135d5c8 [ 36.307979] R10: fffffbfff135d5c8 R11: ffffffff89aeae43 R12: ffff8801b73981f0 [ 36.315226] R13: dffffc0000000000 R14: ffff8801bb0872f8 R15: ffff8801bb087438 [ 36.322477] FS: 0000000001ee6880(0000) GS:ffff8801dac00000(0000) knlGS:0000000000000000 [ 36.330682] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 36.336577] CR2: 0000000020000080 CR3: 00000001d8d8e000 CR4: 00000000001406f0 [ 36.343831] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 36.351081] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 36.358325] Call Trace: [ 36.360896] ? lockdep_on+0x50/0x50 [ 36.364503] ? rb_insert_color+0x1460/0x1460 [ 36.368895] ? noop_count+0x40/0x40 [ 36.372502] ? lock_pin_lock+0x350/0x350 [ 36.376558] ? noop_count+0x40/0x40 [ 36.380166] ? kasan_check_read+0x11/0x20 [ 36.384296] ? noop_count+0x40/0x40 [ 36.387906] ? noop_count+0x40/0x40 [ 36.391515] ? lock_pin_lock+0x350/0x350 [ 36.395554] ? mark_held_locks+0x130/0x130 [ 36.399774] ? check_usage_forwards+0x3e0/0x3e0 [ 36.404432] ? __bfs+0x385/0x7a0 [ 36.407781] ? noop_count+0x40/0x40 [ 36.411391] ? check_usage+0x1a9/0x790 [ 36.415260] ? lock_pin_lock+0x350/0x350 [ 36.419308] ? check_usage_forwards+0x3e0/0x3e0 [ 36.423962] ? __bfs+0x385/0x7a0 [ 36.427309] ? __lock_acquire+0x7ec/0x4ec0 [ 36.432407] ? lockdep_on+0x50/0x50 [ 36.436017] ? lock_pin_lock+0x350/0x350 [ 36.440068] ? mark_held_locks+0x130/0x130 [ 36.444283] ? kasan_check_read+0x11/0x20 [ 36.448412] ? __lock_acquire+0x2881/0x4ec0 [ 36.452742] ? mark_held_locks+0x130/0x130 [ 36.456961] ? print_usage_bug+0xc0/0xc0 [ 36.461005] ? _raw_spin_unlock+0x2c/0x50 [ 36.465135] ? graph_lock+0x170/0x170 [ 36.468934] ? ext4_exit_mballoc+0xc0/0xc0 [ 36.473154] ? __lock_acquire+0x7ec/0x4ec0 [ 36.477370] ? find_held_lock+0x36/0x1c0 [ 36.481414] ? mark_held_locks+0x130/0x130 [ 36.485630] ? lock_downgrade+0x900/0x900 [ 36.489766] ? ext4_es_scan+0x960/0x960 [ 36.493726] ? do_raw_write_trylock+0x1c0/0x1c0 [ 36.498463] ? kasan_check_write+0x14/0x20 [ 36.502679] ? lock_acquire+0x1ed/0x520 [ 36.506657] ? integrity_inode_free+0x77/0x320 [ 36.511236] ? ext4_es_remove_extent+0x151/0x500 [ 36.515973] ? lock_release+0x970/0x970 [ 36.519932] ? kasan_check_write+0x14/0x20 [ 36.524150] ? do_raw_write_lock+0xbd/0x1b0 [ 36.528454] integrity_inode_free+0x12f/0x320 [ 36.532931] security_inode_free+0x19/0x90 [ 36.537149] __destroy_inode+0x328/0x820 [ 36.541193] ? generic_update_time+0x450/0x450 [ 36.545759] ? evict+0x5d8/0x980 [ 36.549111] ? lock_downgrade+0x900/0x900 [ 36.553240] ? __inode_wait_for_writeback+0x2cf/0x380 [ 36.558411] destroy_inode+0xda/0x200 [ 36.562226] ? __destroy_inode+0x820/0x820 [ 36.566454] ? kasan_check_write+0x14/0x20 [ 36.570707] ? do_raw_spin_lock+0xc1/0x200 [ 36.574926] evict+0x5e0/0x980 [ 36.578118] ? destroy_inode+0x200/0x200 [ 36.582165] ? iput+0x671/0xa90 [ 36.585423] ? lock_downgrade+0x900/0x900 [ 36.589556] ? kasan_check_read+0x11/0x20 [ 36.593686] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 36.598255] ? lock_downgrade+0x900/0x900 [ 36.602385] iput+0x679/0xa90 [ 36.605473] ? inode_add_lru+0x2a0/0x2a0 [ 36.609516] ? up_write+0x7b/0x220 [ 36.613034] ? up_read+0x110/0x110 [ 36.616555] ? up_read+0x110/0x110 [ 36.620079] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 36.625595] ? check_preemption_disabled+0x48/0x200 [ 36.630596] ext4_ioctl+0x236f/0x4210 [ 36.634380] ? is_bpf_text_address+0xac/0x170 [ 36.638857] ? ext4_ioctl_group_add+0x560/0x560 [ 36.643509] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 36.649288] ? kasan_check_read+0x11/0x20 [ 36.653416] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 36.658676] ? rcu_bh_qs+0xc0/0xc0 [ 36.662218] ? rcu_bh_qs+0xc0/0xc0 [ 36.665738] ? unwind_dump+0x190/0x190 [ 36.669611] ? is_bpf_text_address+0xd3/0x170 [ 36.674090] ? kernel_text_address+0x79/0xf0 [ 36.678484] ? __kernel_text_address+0xd/0x40 [ 36.682959] ? unwind_get_return_address+0x61/0xa0 [ 36.687872] ? __save_stack_trace+0x8d/0xf0 [ 36.692176] ? save_stack+0xa9/0xd0 [ 36.695785] ? save_stack+0x43/0xd0 [ 36.699391] ? __kasan_slab_free+0x102/0x150 [ 36.703778] ? kasan_slab_free+0xe/0x10 [ 36.707736] ? kmem_cache_free+0x83/0x290 [ 36.711864] ? putname+0xf2/0x130 [ 36.715294] ? do_sys_open+0x54d/0x700 [ 36.719161] ? __x64_sys_openat+0x9d/0x100 [ 36.723377] ? do_syscall_64+0x1b9/0x820 [ 36.727420] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 36.732767] ? trace_hardirqs_off+0xb8/0x310 [ 36.737154] ? kasan_check_read+0x11/0x20 [ 36.741286] ? do_raw_spin_unlock+0xa7/0x2f0 [ 36.745673] ? trace_hardirqs_on+0x310/0x310 [ 36.746609] kobject: 'regulatory.0' (000000001d83b9e5): kobject_uevent_env [ 36.750078] ? kasan_check_write+0x14/0x20 [ 36.757133] kobject: 'regulatory.0' (000000001d83b9e5): fill_kobj_path: path = '/devices/platform/regulatory.0' [ 36.761306] ? trace_hardirqs_off+0xb8/0x310 [ 36.775909] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 36.781451] ? check_preemption_disabled+0x48/0x200 [ 36.786470] ? check_preemption_disabled+0x48/0x200 [ 36.791483] ? ext4_ioctl_group_add+0x560/0x560 [ 36.796147] do_vfs_ioctl+0x1de/0x1720 [ 36.800029] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 36.805303] ? ioctl_preallocate+0x300/0x300 [ 36.809718] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 36.815255] ? __fget_light+0x2e9/0x430 [ 36.819227] ? fget_raw+0x20/0x20 [ 36.822677] ? putname+0xf2/0x130 [ 36.826129] ? rcu_read_lock_sched_held+0x108/0x120 [ 36.831676] ? kmem_cache_free+0x24f/0x290 [ 36.835907] ? putname+0xf7/0x130 [ 36.839361] ? do_syscall_64+0x9a/0x820 [ 36.843329] ? do_syscall_64+0x9a/0x820 [ 36.847299] ? lockdep_hardirqs_on+0x421/0x5c0 [ 36.851881] ? security_file_ioctl+0x94/0xc0 [ 36.856544] ksys_ioctl+0xa9/0xd0 [ 36.859992] __x64_sys_ioctl+0x73/0xb0 [ 36.863877] do_syscall_64+0x1b9/0x820 [ 36.867762] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 36.873124] ? syscall_return_slowpath+0x5e0/0x5e0 [ 36.878047] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 36.882889] ? trace_hardirqs_on_caller+0x310/0x310 [ 36.887902] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 36.892913] ? prepare_exit_to_usermode+0x291/0x3b0 [ 36.897927] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 36.902773] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 36.907954] RIP: 0033:0x440009 [ 36.911143] Code: 18 89 d0 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 fb 13 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 36.930497] RSP: 002b:00007ffeda1f8478 EFLAGS: 00000213 ORIG_RAX: 0000000000000010 [ 36.938201] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 0000000000440009 [ 36.945461] RDX: 0000000000440009 RSI: 0000000000006611 RDI: 0000000000000003 [ 36.952767] RBP: 00000000006ca018 R08: 0000000000000000 R09: 00000000004002c8 [ 36.960027] R10: 0000000000000000 R11: 0000000000000213 R12: 0000000000401890 [ 36.967287] R13: 0000000000401920 R14: 0000000000000000 R15: 0000000000000000 [ 36.974554] Modules linked in: [ 36.977898] ---[ end trace b279fdf9cba0cb64 ]--- [ 36.982666] RIP: 0010:rb_erase+0x306/0x3710 [ 36.987023] Code: c7 81 28 01 00 00 f2 f2 f2 f2 c7 81 2c 01 00 00 00 f2 f2 f2 48 89 f9 65 48 8b 1c 25 28 00 00 00 48 89 5d d0 31 db 48 c1 e9 03 <42> 80 3c 01 00 0f 85 41 1c 00 00 4c 8d 48 10 4c 8b 78 08 48 b9 00 [ 37.005941] RSP: 0018:ffff8801bb086918 EFLAGS: 00010202 [ 37.011323] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001 [ 37.018609] RDX: 1ffff10037610d2b RSI: ffffffff8b5a08a0 RDI: 0000000000000008 [ 37.025879] RBP: ffff8801bb087320 R08: dffffc0000000000 R09: fffffbfff135d5c8 [ 37.033160] R10: fffffbfff135d5c8 R11: ffffffff89aeae43 R12: ffff8801b73981f0 [ 37.040444] R13: dffffc0000000000 R14: ffff8801bb0872f8 R15: ffff8801bb087438 [ 37.047746] FS: 0000000001ee6880(0000) GS:ffff8801dac00000(0000) knlGS:0000000000000000 [ 37.055964] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 37.061857] CR2: 0000000020000080 CR3: 00000001d8d8e000 CR4: 00000000001406f0 [ 37.069147] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 37.076413] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 37.083703] Kernel panic - not syncing: Fatal exception [ 37.089987] Kernel Offset: disabled [ 37.093609] Rebooting in 86400 seconds..